electrical drain 1992 deville with 4.9L - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 01-05-2012, 10:37 PM   #1
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Default electrical drain 1992 deville with 4.9L

I've got a 1992 Caddy Deville that we bought used a few weeks ago. Last night the engine stalled due to insufficient electrical power, so this morning I replaced the alternator and the battery. Tonight driving home it ran out of electrical power again. Does anyone have an idea what'* going on?
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Old 01-05-2012, 10:45 PM   #2
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For the most part, the charging system is the alternator, the battery, and the cables. Seeing that you already changed two parts. I would be looking at the cables, start with checking the connections. Also pull back the boots and look where the connection is crimped to the wire. If it'* green or corroded, replace the cables.
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